<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			div{
				position: absolute;
				left: 200px;
				top: 200px;
			}
			
			img{
				position: absolute;
			}
			.img2{
				left: 171px;
			}
			.img3{
				top: 200px;
			}
			.img4{
				top: 200px;
				left: 171px;
			}
		</style>
	</head>
	<body>
		<div>
			<img class="img1" src="image/1.jpg" alt="" />
			<img class="img2" src="image/2.jpg" alt="" />
			<img class="img3" src="image/3.jpg" alt="" />
			<img class="img4" src="image/4.jpg" alt="" />
		</div>
	</body>
</html>
